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Swift-XRT spectra of GRB 200205B

Last updated after receiving ObsID 00954519004, version 15

Data were analysed using HEASOFT version 6.32

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Add time-sliced spectrum.

The spectral fits assume a redshift: 1.465 (GCN 26998)

Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 349 to 57014 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+478 s

N_H (Galactic)	1.04 × 10²¹ cm^-2
N_H (intrinsic)	5.5 (+1.2, -1.2) × 10²¹ cm^-2
z of absorber	1.465
Photon index	1.122 (+0.027, -0.026)
Flux (0.3-10 keV) (Observed)	8.06 (+0.16, -0.16) × 10^-9 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.67 (+0.15, -0.14) × 10^-9 erg cm^-2 s^-1
Counts to flux (obs)	5.91 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	6.36 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	951.27 (862)
Spectrum exposure	360 s

PC mode. Mean photon arrival: T0+14309 s

N_H (Galactic)	1.04 × 10²¹ cm^-2
N_H (intrinsic)	0 (+2.72 × 10²¹, -0) cm^-2
z of absorber	1.465
Photon index	1.867 (+0.197, -0.088)
Flux (0.3-10 keV) (Observed)	2.44 (+0.22, -0.29) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.92 (+0.25, -0.22) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.58 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.28 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	172.76 (249)
Spectrum exposure	9.7 ks

Late Time spectrum (T0 + 5290 to 57014 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+16314 s

N_H (Galactic)	1.04 × 10²¹ cm^-2
N_H (intrinsic)	0 (+3.52 × 10²¹, -0) cm^-2
z of absorber	1.465
Photon index	1.90 (+0.19, -0.13)
Flux (0.3-10 keV) (Observed)	1.99 (+0.21, -0.23) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	2.39 (+0.22, -0.20) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	3.54 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.25 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	154.50 (231)
Spectrum exposure	9.4 ks